document.write( "Question 622899: exponential equation how do u solve 252x+3 = 255x-9 next one 98x-4 = 813x+6 \n" ); document.write( "
Algebra.Com's Answer #391687 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
            252x+3 = 255x-9\r\n" );
document.write( "\r\n" );
document.write( "Use the principle: The equation BA = BC is\r\n" );
document.write( "equivalent to the equation A = C if B > 0 and B ≠ 1\r\n" );
document.write( "\r\n" );
document.write( "            252x+3 = 255x-9\r\n" );
document.write( "\r\n" );
document.write( "is equivalent to \r\n" );
document.write( "\r\n" );
document.write( "             2x+3 = 5x-9\r\n" );
document.write( "               12 = 3x\r\n" );
document.write( "                4 = x \r\n" );
document.write( "\r\n" );
document.write( "--------------------------------------------\r\n" );
document.write( "\r\n" );
document.write( "             98x-4 = 813x+6\r\n" );
document.write( "\r\n" );
document.write( "Write 81 as 92\r\n" );
document.write( "\r\n" );
document.write( "             98x-4 = (92)3x+6\r\n" );
document.write( "\r\n" );
document.write( "Multiply exponents on the right to remove the parentheses:\r\n" );
document.write( "\r\n" );
document.write( "             98x-4 = 96x+12\r\n" );
document.write( "\r\n" );
document.write( "Now we can use the principle: The equation BA = BC is\r\n" );
document.write( "equivalent to the equation A = C if B > 0 and B ≠ 1\r\n" );
document.write( "\r\n" );
document.write( "             98x-4 = 96x+12\r\n" );
document.write( "\r\n" );
document.write( "is equivalent to \r\n" );
document.write( "\r\n" );
document.write( "             8x-4 = 6x+12\r\n" );
document.write( "               2x = 16\r\n" );
document.write( "                x = 8\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );